Electrical properties and self-heating ability of alkali-activated slag with graphite powder

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F20%3A00345752" target="_blank" >RIV/68407700:21110/20:00345752 - isvavai.cz</a>

Result on the web

<a href="https://doi.org/10.5593/sgem2020/6.1/s26.047" target="_blank" >https://doi.org/10.5593/sgem2020/6.1/s26.047</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.5593/sgem2020/6.1/s26.047" target="_blank" >10.5593/sgem2020/6.1/s26.047</a>

Result language

angličtina

Original language name

Electrical properties and self-heating ability of alkali-activated slag with graphite powder

Original language description

Alkali-activated aluminosilicates and geopolymers in the dry-state are typical dielectrics which is a limiting factor for their utilization in new sophisticated ways in construction industry. Nevertheless, such an issue can be solved by using various electrically conductive admixtures to attain reasonable electrical properties that ensure new functional properties, such as self-heating or self-sensing. Self-heating ability is attained by the addition of electrically conductive aggregates or sufficient amount of metallic or carbon-based powders or fibers ensuring a significant increase in electrical conductivity. However, the self-heating was studied mainly for cementitious materials. Taking into consideration good materials properties of alkali-activated aluminosilicates and geopolymers, such as good mechanical properties, chemical resistance, and durability together with the lack of research concerning electrically enhanced multifunctional materials, it is obvious the necessity of new studies. In this paper, alkali-activated ground-granulated blast-furnace slag composite with graphite admixture was studied in terms of basic physical and electrical properties together with the experimental verification of self-heating ability. It was proved that the designed composite with 35 wt. % of graphite powder can be classified as multifunctional material that could be utilized in special applications, such as snow-melting pavements, snow-melting roads or self-heating construction elements.

Czech name

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Czech description

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Type

D - Article in proceedings

CEP classification

—

OECD FORD branch

20501 - Materials engineering

Project

<a href="/en/project/GA19-11516S" target="_blank" >GA19-11516S: Geopolymers for smart applications in civil engineering</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2020

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection

20th International Multidisciplinary Scientific GeoConference SGEM 2020

ISBN

978-619-7603-12-5

ISSN

1314-2704

e-ISSN

—

Number of pages

8

Pages from-to

359-366

Publisher name

International Multidisciplinary Scientific GeoConference SGEM

Place of publication

Sofia

Event location

Albena

Event date

Aug 16, 2020

Type of event by nationality

WRD - Celosvětová akce

UT code for WoS article

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